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Conference Paper
An Automatic Database Generation Algorithm for Local Optimization of CNN Object Detector for Edge Devices
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- Authors
- Joon-Goo Lee, Jang Woon Baek
- Issue Date
- 2020-11
- Citation
- International Conference on Consumer Electronics (ICCE) 2020 : Asia, pp.364-366
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- Recently, the demand for the use of deep learning algorithm in edge devices is increasing. Deep learning algorithm needs high computation power and large memory resources. However, edge devices require high accuracy and real-time performance with limited resources. In order to overcome this problem, the lightweight shallow networks have been proposed, but their accuracy is much lower than the existing dense networks. We observed that edge devices such as surveillance and security CCTVs are located at the fixed area. We focused these environments where local optimization, which retrains the object detector using a new local database, is very effective to improve the detection accuracy. Local optimization needs additional annotation work for local training database, which is tiresome and time-consuming. We proposed an automatic database generation algorithm for local optimization, which uses a pre-trained object detector and a background model. The proposed algorithm generates the training images by overlaying the extracted objects from the object detector on the background image from background modelling.
- KSP Keywords
- Background Modelling, Background image, Computation power, Database generation, Dense network, Detection accuracy, Edge devices, High accuracy, Large Memory, Limited resources, Local database